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OpenStudy (anonymous):
for which compound does 0.256 mole weigh 12.8g
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OpenStudy (accessdenied):
I assume there is are options here? Anyways, we should find the molar mass of each compound. That way, we can determine the mass by multiplying: molar mass * moles = mass. (Units: g/mol * mols = g). Whichever one gets to 12.8 g will be your answer. :)
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